799-4697 - Aerial of Neolithic Silbury Hill, UNESCO World Heritage Site, on a frosty winter morning, with flooding around the mound, Wiltshire, England, United Kingdom, Europe
799-4696 - Aerial of Neolithic Silbury Hill, UNESCO World Heritage Site, on a frosty winter morning, with flooding around the mound, Wiltshire, England, United Kingdom, Europe
799-4695 - Aerial of Neolithic Silbury Hill, UNESCO World Heritage Site, on a frosty winter morning, with flooding around the mound, Wiltshire, England, United Kingdom, Europe
799-4661 - Aerial of Neolithic Silbury Hill, UNESCO World Heritage Site, on a frosty winter morning, with flooding around the mound, Wiltshire, England, United Kingdom, Europe
799-4660 - Aerial of Neolithic Silbury Hill, UNESCO World Heritage Site, on a frosty winter morning, with flooding around the mound, Wiltshire, England, United Kingdom, Europe
799-4659 - Aerial of Neolithic Silbury Hill, UNESCO World Heritage Site, on a frosty winter morning, with flooding around the mound, Wiltshire, England, United Kingdom, Europe
396-8734 - Aerial view of the installation for flood control Pretziener Wehr (Weir of Pretzien) in Pretzien near Magdeburg, Elbe Valley, Saxony-Anhalt, Germany
396-8735 - Aerial view of the installation for flood control Pretziener Wehr (Weir of Pretzien) in Pretzien near Magdeburg, Elbe Valley, Saxony-Anhalt, Germany